package cn.johnyu.music_demo03;

import android.app.Service;
import android.content.Intent;
import android.os.Binder;
import android.os.IBinder;

public class MusicService extends Service {
    private int progress=0;

    private boolean isPause=false;
    public MusicService() {
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        int action=intent.getIntExtra("action",-1);
        switch (action){
            case 1:
                play();
                break;
            case 2:
                pause();
                break;
            case 3:
                resume();
                break;
        }


        return super.onStartCommand(intent, flags, startId);
    }

    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        return new MyBinder();
    }
    public class MyBinder extends Binder{
        public int getProgress(){
            return progress;
        }
    }

    public  void play(){

        new Thread(){

            @Override
            public void run() {
                synchronized (MusicService.this) {
                    for (int i = 0; i <= 800; i++) {
                        if (isPause) {
                            try {
                                MusicService.this.wait();
                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                        }
                        try {
                            Thread.sleep(20);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                        progress++;
                    }
                }
            }
        }.start();
    }
    public  void pause(){
        isPause=true;
    }
    public synchronized   void resume(){
        isPause=false;
        notify();
    }


}
